xref: /libCEED/include/ceed/jit-source/gallery/ceed-mass1dbuild.h (revision 2027fb9d13fe34211738d8539f90542a9801ae2c)
1 // Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 /**
9   @brief Ceed QFunction for building the geometric data for the 1D mass matrix
10 **/
11 #include <ceed/types.h>
12 
13 CEED_QFUNCTION(Mass1DBuild)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
14   // in[0] is Jacobians, size (Q)
15   // in[1] is quadrature weights, size (Q)
16   const CeedScalar *J = in[0], *w = in[1];
17   // out[0] is quadrature data, size (Q)
18   CeedScalar *q_data = out[0];
19 
20   // Quadrature point loop
21   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { q_data[i] = J[i] * w[i]; }  // End of Quadrature Point Loop
22 
23   return CEED_ERROR_SUCCESS;
24 }
25